Unit 2 Test Rewind

Use any method to solve the system.

• (9,10)

• (10,9)

• (5, 9)

• (-10, 9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Use any method to solve the system.

• (-3, 9)

• (-9, 15)

• (9, -3)

• (15, 9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Use any method to solve the system.

• (3, -2)

• (-3, 3)

• (3, -3)

• (-2, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Use any method to solve the system.

• (10, 7)

• (5,-6)

• (7, 10)

• (-6, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which graph has infinite solutions?

• a

• b

• c

Tags

CCSS.8.EE.C.8A

Write the system for the word problem.

• $y=45x+198\ \ \ \ y=44x+467$

• $y=45x+467\ \ \ \ \ y=44x+198$

• $198\ =45x\ +y\ \ \ \ \ \ \ 467=44x+y$

• $198=45x\ \ \ \ \ 467=44y$

Tags

CCSS.8.EE.C.8C

Is (2,9) a solution to this system?

• yes

• no

Is (4, -4) a solution to the system?

• yes

• no

If you were solving the system by substitution, what is the best variable to isolate?

• y from the top

• x from the top

• y from the bottom

• x from the bottom

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If the following system is solved by elimination, what is the best first step?

• add the equations

• multiply the second equation by 2

• divide the top equation by 2

• subtract the equations

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6